Sara Gilbert is an American actress, best known for her role as Darlene Conner on the ABC sitcom Roseanne from 1988 to 1997, as co-host and creator of the daytime talk show The Talk and for her recurring role as Leslie Winkle on CBS’s The Big Bang Theory. At the age of six, when Sara saw her sister Melissa Gilbert get a star on the Hollywood Walk of Fame, she told her mother that she wanted to be an actress, too.